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wifi: mt76: mt7996: Introduce RRO MSDU callbacks

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Introduce rx_rro_ind_process and rx_rro_add_msdu_page callbacks and the
related logic in the MT7996 driver. This is a preliminary patch to
decouple RRO logic from WED support and reuse RRO when WED module is not
available.

Signed-off-by: Rex Lu <[email protected]>
Co-developed-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Rex Lu
2025-09-04 19:09:11 +02:00
committed by Felix Fietkau
parent 6b518355fe
commit 13eb05fa4a
7 changed files with 400 additions and 0 deletions
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mt7996/mt7996.h
+51
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@@ -112,6 +112,7 @@
#define MT7996_CRIT_TEMP 110
#define MT7996_MAX_TEMP 120
#define MT7996_MAX_HIF_RXD_IN_PG 5
#define MT7996_RRO_MSDU_PG_HASH_SIZE 127
#define MT7996_RRO_MAX_SESSION 1024
#define MT7996_RRO_WINDOW_MAX_LEN 1024
@@ -299,6 +300,49 @@ struct mt7996_wed_rro_session_id {
u16 id;
};
struct mt7996_msdu_page {
struct list_head list;
struct mt76_queue *q;
dma_addr_t dma_addr;
void *buf;
};
struct mt7996_rro_hif {
u32 rx_blk_base_low;
u32 rx_blk_base_high : 4;
u32 eth_hdr_ofst : 7;
u32 rsv : 1;
u32 ring_no : 2;
u32 dst_sel : 2;
u32 sdl : 14;
u32 ls : 1;
u32 rsv2 : 1;
u32 pn_31_0;
u32 pn_47_32 : 16;
u32 cs_status : 4;
u32 cs_type : 4;
u32 c : 1;
u32 f : 1;
u32 un : 1;
u32 rsv3 : 1;
u32 is_fc_data : 1;
u32 uc : 1;
u32 mc : 1;
u32 bc : 1;
u16 rx_token_id;
u16 rsv4;
u32 rsv5;
};
struct mt7996_msdu_page_info {
struct mt7996_rro_hif rxd[MT7996_MAX_HIF_RXD_IN_PG];
u32 next_pg_low;
u32 next_pg_high : 4;
u32 rsv : 27;
u32 owner : 1;
};
struct mt7996_phy {
struct mt76_phy *mt76;
struct mt7996_dev *dev;
@@ -416,6 +460,9 @@ struct mt7996_dev {
struct work_struct work;
struct list_head poll_list;
spinlock_t lock;
struct list_head page_cache;
struct list_head page_map[MT7996_RRO_MSDU_PG_HASH_SIZE];
} wed_rro;
bool ibf;
@@ -773,6 +820,10 @@ int mt7996_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
void mt7996_tx_token_put(struct mt7996_dev *dev);
void mt7996_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
struct sk_buff *skb, u32 *info);
void mt7996_rro_msdu_page_map_free(struct mt7996_dev *dev);
int mt7996_rro_msdu_page_add(struct mt76_dev *mdev, struct mt76_queue *q,
dma_addr_t dma_addr, void *data);
void mt7996_rro_rx_process(struct mt76_dev *mdev, void *data);
bool mt7996_rx_check(struct mt76_dev *mdev, void *data, int len);
void mt7996_stats_work(struct work_struct *work);
int mt76_dfs_start_rdd(struct mt7996_dev *dev, bool force);